Notable Wednesday Option Activity: TSO, PTC, GPI
October 19, 2016 at 15:53 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Tesoro Corporation (TSO), where a total volume of 9,766 contracts has been traded thus far today, a contract volume which is representative of approximately 976,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 48.5% of TSO's average daily trading volume over the past month, of 2.0 million shares..